<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
  <h1>注册页面</h1>
  <input type="text" v-model="user.username" placeholder="用户名">
  <input type="text" v-model="user.password" placeholder="密码">
  <input type="text" v-model="user.nickname" placeholder="昵称">
  <input type="button" value="注册" @click="reg()">
</div>
<!--引入axios和vue框架-->
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<script>
    let v = new Vue({
            el:"body>div",
            data:{
                user:{username:"",password:"",nickname:""}

            },
            methods: {
                reg() {
                    axios.post("/reg",v.user).then(function (response) {
                        if (response.data == 1) {
                            alert("注册成功");
                            location.href = "/";
                        } else {
                            alert("用户名已存在！")
                        }
                    });
                }
            }
        })
</script>

</body>
</html>